/Engine/Source/Editor/EditorFramework/Public/Subsystems/PlacementSubsystem.h
struct FPlacementOptions
bool
bIsCreatingPreviewElements
If true, creates transient preview elements, which are transient and not saved to a level.
bool
bPreferBatchPlacement
If true, asset factory implementations should prefer a batch placement algorithm (like duplicating an object) over a single placement algorithm.
FGuid
InstancedPlacementGridGuid
The guid to use by factories for instanced placement.